According to recent evidence, which drug used to treat migraine headaches has some potential for addiction?
Definition of metabolism for Students. : the processes by which a living organism uses food to obtain energy and build tissue and disposes of waste material.
metabolism. 1  Biology, Physiology. the sum of the physical and chemical processes in an organism by which its material substance is produced, maintained, and destroyed, and by which energy is made available. 2  any basic process of organic functioning or operating: changes in the country's economic metabolism.